Antineosteus
| Antineosteus Temporal range:  | |
|---|---|
| Known materials and size comparison of Antineosteus rufus | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | †Placodermi | 
| Order: | †Arthrodira | 
| Suborder: | †Brachythoraci | 
| Family: | †Homostiidae | 
| Genus: | †Antineosteus Lelièvre, 1984 | 
| Type species | |
| Antineosteus lehmani Lelièvre, 1984 | |
| Species | |
| A. lehmani Lelièvre, 1984 | |
Antineosteus is an extinct genus of homostiid arthrodire from the Emsian, Early Devonian Kess-Kess Mounds, in the eastern Anti-Atlas Mountains, Morocco, and the Barrandian area of the Czech Republic.